Bleaching as used by hairdressers. This is the most gentle treatment to remove unwanted pigment in the hair. It can be mixed as a light cleanse or bleach.
Light cleansing is used if the hair has become a little too dark, purple, blue or green. Here you have good control and a more effective treatment than cleansing shampoo. Bleaching is used when you want to lighten your hair. Start with bleaching before you possibly proceed with bleaching.